Replacement for 45X5281: Drop-In Alternatives We Stock
Looking for a replacement for the 45X5281 (45X5281 - IBM 4GB DDR2-667MHz PC2-5300 non-ECC Unbuffered CL5 200-Pin SoDimm Single Rank Memory Module)? Pro Disk Network ships IBM drop-in replacements and equivalent modern parts from US inventory. Every alternate below is in-stock today with same-day shipping for orders placed before 2pm ET. If your unit is still under warranty, contact our engineering team — we offer cross-shipping for B2B customers on Net 30 terms.
About the 45X5281
| SKU | 45X5281 |
|---|---|
| Product | 45X5281 - IBM 4GB DDR2-667MHz PC2-5300 non-ECC Unbuffered CL5 200-Pin SoDimm Single Rank Memory Module |
| Current price | $277.26 |
| Stock status | In Stock |
| Detail page | View 45X5281 › |
Drop-in replacements for 45X5281
Each part below is currently in our US warehouse, ships same-day for orders before 2pm ET, and includes our 90-day warranty. SKUs link to the full product page with photos, datasheets and B2B quote form.
44V0839 - IBM 2GB DDR2-667MHz PC2-5300 non-ECC Unbuffered CL5 200-Pin SoDimm Dual Rank Memory Module
SKU: 44V0839
Price: $97.80
40T6629 - IBM 2GB DDR2-667MHz PC2-5300 non-ECC Unbuffered CL5 200-Pin SoDimm Dual Rank Memory Module
SKU: 40T6629
Price: $97.80
41U4950 - IBM 2GB DDR2-667MHz PC2-5300 non-ECC Unbuffered CL5 200-Pin SoDimm Dual Rank Memory Module
SKU: 41U4950
Price: $97.80
43C6489 - IBM 2GB DDR2-667MHz PC2-5300 non-ECC Unbuffered CL5 200-Pin SoDimm Dual Rank Memory Module
SKU: 43C6489
Price: $97.80
43C8489 - IBM 2GB DDR2-667MHz PC2-5300 non-ECC Unbuffered CL5 200-Pin SoDimm Dual Rank Memory Module
SKU: 43C8489
Price: $97.80
43N8354 - IBM 2GB DDR2-667MHz PC2-5300 non-ECC Unbuffered CL5 200-Pin SoDimm Dual Rank Memory Module
SKU: 43N8354
Price: $97.80
43R1756 - IBM 2GB DDR2-667MHz PC2-5300 non-ECC Unbuffered CL5 200-Pin SoDimm Dual Rank Memory Module
SKU: 43R1756
Price: $97.80
43R2000 - IBM 2GB DDR2-667MHz PC2-5300 non-ECC Unbuffered CL5 200-Pin SoDimm Dual Rank Memory Module
SKU: 43R2000
Price: $97.80
43R2021 - IBM 2GB DDR2-667MHz PC2-5300 non-ECC Unbuffered CL5 200-Pin SoDimm Dual Rank Memory Module
SKU: 43R2021
Price: $97.80
44V0756 - IBM 2GB DDR2-667MHz PC2-5300 non-ECC Unbuffered CL5 200-Pin SoDimm Dual Rank Memory Module
SKU: 44V0756
Price: $97.80
44V0838 - IBM 2GB DDR2-667MHz PC2-5300 non-ECC Unbuffered CL5 200-Pin SoDimm Dual Rank Memory Module
SKU: 44V0838
Price: $97.80
How we pick replacements
Every recommendation above was selected using these criteria:
- Drop-in compatibility — same form factor (2.5"/3.5", PCIe slot, SFP port, etc.), so it fits the original chassis without modification
- Equivalent or better performance — matched on RPM/IOPS/speed/throughput, never downgraded
- Same-brand-preferred — we list the OEM-equivalent first when available, then trusted aftermarket
- Warranty coverage — 90-day Pro Disk warranty on every part, with 1-year option for B2B
- In stock today — never recommend a part that is on backorder
Need help confirming compatibility?
Our engineers validate every replacement against your specific server, switch, or chassis model before shipment. Email sales@prodisknetwork.com with your platform model (e.g., Dell PowerEdge R740, HP DL380 Gen10, Cisco Catalyst 9300) and we will confirm the exact part number that drops into your hardware.